Combination hammer drill



1.-2. Combination hammer drill

1.1 is a perspective view of a first embodiment of a combination hammer drill showing our new design;

1.2 is another perspective view thereof;

1.3 is a left side elevation view thereof;

1.4 is a right side elevation view thereof;

1.5 is a front elevation view thereof;

1.6 is a rear elevation view thereof;

1.7 is a top plan view thereof; and

1.8 is a bottom plan view thereof;

2.1 is a perspective view of a second embodiment thereof;

2.2 is a another perspective view thereof;

2.3 is a left side elevation view thereof;

2.4 is a right side elevation view thereof;

2.5 is a front elevation view thereof;

2.6 is a rear elevation view thereof;

2.7 is a top plan view thereof; and

2.8 is a bottom plan view thereof.

Broken lines illustrate disclaimed features and form no part of the claimed design. 

CLAIM The ornamental design for a combination hammer drill, as shown and described. 